Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: LANDING CONTROL CENTRAL
TYPE: AN/MPN-14
At 25, 000 ft, at least 35 naut mi
Coverage
RELATION TO SIMILAR EQUIPMENT
Azimuth: 360 deg
The AN/MPN-14 is similar to the AN/MPN-16,
Elevation: Cosecanting to 45 deg
difference is in production models. TheAN/MPN-14 and
Accuracy
AN/MPN-16 are similar to the AN/MPN-13 and
Azimuth: 1 deg when target range is
AN/MPN-15, difference is the mobile RAPCON used
more than 10 pct of indicator range.
with the AN/MPN-14 and AN/MPN-16 but not with the
Range: 4 pct when target range is more
AN/MPN-13 and AN/MPN-15. The AN/MPN-14 is a
than 20 pct of indicator range setting.
basic AN/MPN-13 with a mobile RAPCON added. Also,
Resolution
to adapt it for use with the mobile RAPCON, the radar
Azimuth: 2.3 deg when target range is
set has been modified to remote search and precision
more than 30 pct of indicator range setting.
indicating functions, performance monitoring signals,
Range: 675 ft target separation or
1 pct of indicator range setting, whichever is
Additional uhf radio sets have been installed, new
greater.
telephone facilities have been provided, and two-way
PRF: 1100 pps plus or minus 2 pct
intercom stations have been added to facilitate
Amplitude (terminated in 100 ohms): 35v
maintenance of the equipment. The AN/MPN-13 is a
min for at least 0.5 usec at 50 pct of peak
basic AN/CPN-4, AN/MPN-11A, AN/MPN-11B, or
amplitude.
AN/MPN-11C, difference is an improved model
Rise Time: 400v per usec min
incorporating recent changes such as extended range
Indicator Characteristics (Search Radar)
coverage, additional search cursors, improved receiver
Display
design, and monitoring of the power output, relative
Type: 12 in. ppi
tuning, and noise figure characteristics.
Information: Normal and MTI video,
TECHNICAL DESCRIPTION
range marks, angle marks, cursors, and IFF/SIF
Primary AC Power
video.
Requirement: 120/208v, 4-wire, 3 ph,
Sweeps: Rotating linear sweep synchronized with
60 cps, 30 kw (min) RAPCON trailer
only, 66 kw including radar set,
Ranges
regulated to 117 plus or minus 2v
Range Marks: 5, 10, 20, 40, 60, and
for input of 106-132v
200 naut mi
Source: Government furnished diesel-
2-mi intervals on 5- and 10-mi ranges
DC Power
5-mi intervals on 20- and 40-mi ranges
Requirement: plus 28v
10-mi intervals on 60-mi range
Source: plus 28v, 50 amp power supply
50-mi intervals on 200-mi range
in RAPCON trailer, or batteries in
Off-Centering: Sweep center may be moved
power trailer at 10 amp max for
to edge of display, approximately doubling range up
emergency conditions.
to 60 mi max in sector displayed except for 40-, 60-,
and 200-mi ranges.
Transmitting and Receiving:
Angle Marks: At -5 deg, O deg, and plus
100 to 156 mc and
15 deg to indicate outline of precision azimuth
225 to 399.9 mc
coverage with respect to runway parallel.
General Operating Characteristics
Electronic Cursors: Two (or three if 3rd
(Search Radar)
Indicator is used) separate cursors to indicate
desired flightpaths.
Power Output: 600 kw (peak)
Maps: Navigation head and compass rose
Range (determined with T-33 type aircraft):
At 2000 ft, at least 20 naut mi
provided by video mapper.
At 6000 ft, at least 25 naut mi
At 10, 000 ft, at least 30 naut mi
AN/MPN-14: 2